When you returned from private lessons then you went in to change your clothes you found him out sleeping on your bed again suddenly and idea came to your mind about how he could take his sword out of his chest you were unable to stop your curiosity and you took your sword and began inserting it from his chest and taking it out several times until raiden woke up and he looked in surprise and his face turned red then he said

Raiden♕«BUT WHAT ARE YOU TRYING TO PROVE?!»